What type of protection is required for ENT likely to be penetrated by nails or screws?

The type of protection required for Electrical Nonmetallic Tubing (ENT) that is likely to be penetrated by nails or screws is focused on safeguarding against physical damage. Utilizing any protective method to prevent such potential damage is crucial to ensure the integrity of the electrical system and the safety of those around it. Relying solely on the presence of ENT without additional protection exposes the wiring to risks from fasteners penetrating the tubing, which can lead to electrical shorts or failures.

This approach emphasizes the importance of implementing preventative measures, such as using additional protective conduit or barriers, to enhance safety in areas where the risk of penetration is high. This preventative perspective aligns well with best practices in electrical installations, which prioritize both safety and compliance with relevant electrical codes and standards.